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Temperature Relays and MINIKA®
Operating Manual TR250
- Temperature-Relay TR 250
New from firmware -01
Program Pr5 for protection of transformers with 2 PTC-circuits (sensor-alarm, pre-alarm and tripping)
Program Pr6 for Protection of transformers with 3 PTC-circuits (forced cooling, pre-alarm and tripping)
Display of firmware version: Press Set ► for 10 s (in display mode)
TR250
12410-0701-03
Mains Monitoring
Digital Panelmeters MINIPAN®
Switching Relays and Controls
Page 1 / 18
ZIEHL industrie – elektronik GmbH + Co KG
Daimlerstr.13, 74523 Schwäbisch Hall, Germany
+ 49 791 504-0,
info@ziehl.de,
Measuring Transducers
Grid- and Plant Protection
updated: 2016-12-19/Sc
www.ziehl.de
www.ziehl.de
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Summary of Contents for ZIEHL TR250
- Page 1 ZIEHL industrie – elektronik GmbH + Co KG Daimlerstr.13, 74523 Schwäbisch Hall, Germany + 49 791 504-0, info@ziehl.de, www.ziehl.de Temperature Relays and MINIKA® Mains Monitoring Digital Panelmeters MINIPAN® Switching Relays and Controls Measuring Transducers Grid- and Plant Protection updated: 2016-12-19/Sc...
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Page 2: Table Of Contents
Displayed Temperature is different from Sensor-Temperature ............. 14 Display Error „Er1 or Er2“ ......................14 11.5 11.6 Relay trips regularly without limit exceeded ................. 14 11.7 Firmware version ......................... 14 12 Technical Data ............................15 13 Design V4 .............................. 17 TR250 12410-0701-03 Page 2 / 18 www.ziehl.de... -
Page 3: Display And Operating Elements
Press for ≥ 2 s Display stored MIN- and MAX- temperature values of selected sensor. Simultaneously pressing of button Set ► for ≥ 2 s deletes all stored MIN- and MAX- temperature values. TR250 12410-0701-03 Page 3 / 18 www.ziehl.de... - Page 4 Selected sensor (8, 9, 10) or sensor error acts on this alarm Hints: Longer pushing of ▲/▼ accelerates the changes in the display Button ▲/▼ pushed at the same time sets actual programmed parameter to zero TR250 12410-0701-03 Page 4 / 18 www.ziehl.de...
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Page 5: Default Settings
AL1 = forced cooling with a periodically test 1/week AL2 = pre-alarm and sensor-alarm (all sensors) AL3 = tripping Alarm (AL1...AL3) = Relay (1 … 3). Sensor type PTC (thermistor): Display of resistance of sensor in kΩ TR250 12410-0701-03 Page 5 / 18 www.ziehl.de... - Page 6 Hysteresis (°C) Switching-delay-time (s) Switching-back-delay (s) Function of Relay Error (from sensor) 1+2+3 Periodically testing Alarm ON Test period (h) Test time (h) Simulation Code-lock on/off PIN-Code * Factory settings from firmware -01 TR250 12410-0701-03 Page 6 / 18 www.ziehl.de...
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Page 7: Application And Short Description
4 Function Overview sensor-inputs, Pt 100 (RTD) or Pt 1000 in 2- or 3-wire-connection KTY 83, -84, PTC (thermistors) relay-outputs (1 change-over-contact each) universal power-supply AC/DC 24-240 V 5 Connecting diagram TR250 12410-0701-03 Page 7 / 18 www.ziehl.de... -
Page 8: Function Diagram
In this mode, relay will only switch back, when switching-back-temperature has been reached, switching back delay time has passed and a reset has been made (button, contact Y1-Y2 or switching off and on of the TR 250). Readiness is displayed by flashing (1:1) of appropriate alarm-LED. TR250 12410-0701-03 Page 8 / 18... -
Page 9: Important Notes
The TR 250 universal power supply works within the range AC/DC 24-240 V. Before switching on make sure, that the rated supply voltage Us of the type- plate and the mains voltage are the same. TR250 12410-0701-03 Page 9 / 18... -
Page 10: Installation
Compensate line-resistance (enter value of resistance of line) or select 3-wire or nc (not connected, if no sensor is connected to this input). At setting PtC no compensation of line-resistance is necessary/possible. TR250 12410-0701-03 Page 10 / 18 www.ziehl.de... - Page 11 (Pr2, Pr3 and Pr6) or a relay that is not used for other purposes (Pr1 and Pr5). LEDs in Programming Mode Sensor-programming appropriate LED Alarm is alight Alarm-programming appropriate LED Sensor is alight Err, Error at Sensor appropriate LED Alarm is alight TR250 12410-0701-03 Page 11 / 18 www.ziehl.de...
- Page 12 Button ▲ and ▼ pushed at the same time sets actual programmed parameter to zero. With a reset (push Set/Reset ► for 2 s) you return to display-mode from any position in the programming-mode (last programmed parameter is stored). TR250 12410-0701-03 Page 12 / 18 www.ziehl.de...
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Page 13: Operation
= short-circuit in sensor or line Er 2 = break of sensor or line Er 3/4 = internal error of device = common error = measured values too high = measured values too low TR250 12410-0701-03 Page 13 / 18 www.ziehl.de... -
Page 14: Trouble-Shooting And Remedies
HINT 1: To return to display mode from any position of programming press button Set ► for 2 s (last settings will be stored). HINT 2: To set the actual programmed parameter to zero (000), press „▲“ and „▼“ simultaneously for 2 s. TR250 12410-0701-03 Page 14 / 18... -
Page 15: Technical Data
5 – 85 % rel. humidity, no condensation Climatic conditions -5 °C … +70 °C External wiring temperature range 2…25 Hz ±1,6 mm Vibration resistance EN 60068-2-6 25 ... 150 Hz 5 g TR250 12410-0701-03 Page 15 / 18 www.ziehl.de... - Page 16 Protection class housing IP 30 Protection class terminals IP 20 Fitting position Mounting Snap mounting on 35 mm standard rail EN 60 715 or M4 screws Weight app. 200g Subject to technical modifications TR250 12410-0701-03 Page 16 / 18 www.ziehl.de...
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Page 17: Design V4
Plomben Lasche / latch for sealing Frontplatteneinsatz / front panel Kennzeichen für unten / position downward Riegel bei Wandbefestigung mit Schrauben. Riegelbohrung Ø 4,2 mm / for fixing to wall with screws, Ø 4.2 mm. TR250 12410-0701-03 Page 17 / 18 www.ziehl.de... - Page 18 You’ll find this and other user manuals also in English written in the internet under www.ziehl.com TR250 12410-0701-03 Page 18 / 18 www.ziehl.de...
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